Failed External Seal on Engine Oil Cooler May Leak on Nissan Maxima

The external seal on the engine oil cooler can fail and create an oil leak.

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Average mileage: 113,031 (57,000–166,500)
6 model years affected: 2002, 2003, 2004, 2005, more2006, 2007
43 people reported this problem
24 people shared problem details
I noticed my car leaking oil by the right wheel area. The dealership told me this problem was my oil cooler at a price of $271.00. This is the second time this problem has happen to me within a 2 years.
2004 Nissan Maxima147,000
Noticed oil leaking on driveway close to passenger-side wheel, had leak diagnosed/inspected by local repair shop. Was told it was the oil cooler gasket that needed to be replaced. Was quoted high price to replace a $5 part. Will be fixing it myself after ordering part and doing research on the problem.
2005 Nissan Maxima69,000
i brought this car from nissan security january 26 2011 i took this car back to dealer to get an oil change the dealer told me i need a oil cooler seal and a oil pan gasket cause i have an oil leak
2007 Nissan Maxima107,000
Replaced Oil Filter/Cooler Gasket which was in excellent shape , Lasted 2 weeks Oil leak returned.
2002 Nissan Maxima106,000
noticed car seemed to using more oil, found the cooler seal was leakig
2004 Nissan Maxima110,000
My car would leak alot of oil so I had a mechanic look into it and according to him the oil cooler was cracked and leaking oil. He said usually these parts dont ever have to be replaced unless its defective. =(
oil leak at seal to oil cooler. It will be fixed tomorrow. I do not think that it will be too least that is what I have been told.
2002 Nissan Maxima64,000
oil coler seal leak.
2003 Nissan Maxima146,578
Oil cooler leak's about1/2 qt. A mo.Hadn't fixed till this day 167.498 mi, They tell me i must replace oil cooler
2004 Nissan Maxima125,000
DC OFF light would randomly come on while drivingand there would be a sound similar to that of a bazooka @ the same time the light came on . then the car would seem to get stuck in some low gear with minimal power/ no git up n go & usually stall out or die. I took it to the dealership. They found an oil leak that caused damage to my car . but the cause of the light,stall issue was cam shaft sensor bank 1. They fixed it. That cost over a grand . a couple months later I was having the same issues this time it was bank 2, and another $500 to replace bank 2 and repair more damage from oil leak. So is this part of a recall since many maximas have the same issue? Wouldn't the Nissan dealership recognize if it is part of a recall. I feel like the mechanics portrayed this whole thing like it wasn't a typical problem with maximas. So I'd end up back in the shop with my car spending more $.
Replace transmission
2002 Nissan Maxima166,500
Oil is leaking from the oil cooler seal. I am going to replace it myself.
2005 Nissan Maxima150,000
Oil leak an ac isn't working
2005 Nissan Maxima102,000
drip leaking when choosing to...will get fixed when i can afford to....\o/
2007 Nissan Maxima130,000
I took my car into the shop for an oil leak and I was told that it was the Oil Cooler Gasket. WOW $200 to replace a $5 part!
2004 Nissan Maxima110,000
oil cooler o ring started leaking
2002 Nissan Maxima125,000
Had both Valve cover gaskets replaced... Turned out severe leak was coming from the engine oil cooler.
oil cooler seal leaking
2007 Nissan Maxima86,000
Front end oil leak
2002 Nissan Maxima105,000
Just saw this thread and have experienced the same problem since 65K. Did replace oil gasket twice. Did not work.
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